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<?php
/**
* Smarty Internal Plugin Template
*
* This file contains the Smarty template engine
*
* @package Smarty
* @subpackage Templates
* @author Uwe Tews
*/
/**
* Main class with template data structures and methods
*/
class Smarty_Internal_Template extends Smarty_Internal_Data {
// object cache
public $compiler_object = null;
public $cacher_object = null;
// Smarty parameter
public $cache_id = null;
public $compile_id = null;
public $caching = null;
public $cache_lifetime = null;
public $cacher_class = null;
public $caching_type = null;
public $forceNocache = false;
// Template resource
public $template_resource = null;
public $resource_type = null;
public $resource_name = null;
// public $resource_object = null;
private $isExisting = null;
public $templateUid = '';
// Template source
public $template_filepath = null;
public $template_source = null;
private $template_timestamp = null;
// Compiled template
private $compiled_filepath = null;
public $compiled_template = null;
private $compiled_timestamp = null;
public $mustCompile = null;
public $suppressHeader = false;
public $suppressFileDependency = false;
public $has_nocache_code = false;
public $write_compiled_code = true;
// Rendered content
public $rendered_content = null;
// Cache file
private $cached_filepath = null;
public $cached_timestamp = null;
private $isCached = null;
// private $cache_resource_object = null;
private $cacheFileChecked = false;
// template variables
public $tpl_vars = array();
public $parent = null;
public $config_vars = array();
// storage for plugin
public $plugin_data = array();
// special properties
public $properties = array ('file_dependency' => array(),
'nocache_hash' => '',
'function' => array());
// required plugins
public $required_plugins = array('compiled' => array(), 'nocache' => array());
public $saved_modifier = null;
public $smarty = null;
// blocks for template inheritance
public $block_data = array();
/**
* Create template data object
*
* Some of the global Smarty settings copied to template scope
* It load the required template resources and cacher plugins
*
* @param string $template_resource template resource string
* @param object $_parent back pointer to parent object with variables or null
* @param mixed $_cache_id cache id or null
* @param mixed $_compile_id compile id or null
*/
public function __construct($template_resource, $smarty, $_parent = null, $_cache_id = null, $_compile_id = null, $_caching = null, $_cache_lifetime = null)
{
$this->smarty = &$smarty;
// Smarty parameter
$this->cache_id = $_cache_id === null ? $this->smarty->cache_id : $_cache_id;
$this->compile_id = $_compile_id === null ? $this->smarty->compile_id : $_compile_id;
$this->caching = $_caching === null ? $this->smarty->caching : $_caching;
if ($this->caching === true) $this->caching = Smarty::CACHING_LIFETIME_CURRENT;
$this->cache_lifetime = $_cache_lifetime === null ?$this->smarty->cache_lifetime : $_cache_lifetime;
$this->parent = $_parent;
// dummy local smarty variable
$this->tpl_vars['smarty'] = new Smarty_Variable;
// Template resource
$this->template_resource = $template_resource;
// copy block data of template inheritance
if ($this->parent instanceof Smarty_Internal_Template) {
$this->block_data = $this->parent->block_data;
}
}
/**
* Returns the template filepath
*
* The template filepath is determined by the actual resource handler
*
* @return string the template filepath
*/
public function getTemplateFilepath ()
{
return $this->template_filepath === null ?
$this->template_filepath = $this->resource_object->getTemplateFilepath($this) :
$this->template_filepath;
}
/**
* Returns the timpestamp of the template source
*
* The template timestamp is determined by the actual resource handler
*
* @return integer the template timestamp
*/
public function getTemplateTimestamp ()
{
return $this->template_timestamp === null ?
$this->template_timestamp = $this->resource_object->getTemplateTimestamp($this) :
$this->template_timestamp;
}
/**
* Returns the template source code
*
* The template source is being read by the actual resource handler
*
* @return string the template source
*/
public function getTemplateSource ()
{
if ($this->template_source === null) {
if (!$this->resource_object->getTemplateSource($this)) {
throw new SmartyException("Unable to read template {$this->resource_type} '{$this->resource_name}'");
}
}
return $this->template_source;
}
/**
* Returns if the template is existing
*
* The status is determined by the actual resource handler
*
* @return boolean true if the template exists
*/
public function isExisting ($error = false)
{
if ($this->isExisting === null) {
$this->isExisting = $this->resource_object->isExisting($this);
}
if (!$this->isExisting && $error) {
throw new SmartyException("Unable to load template {$this->resource_type} '{$this->resource_name}'");
}
return $this->isExisting;
}
/**
* Returns if the current template must be compiled by the Smarty compiler
*
* It does compare the timestamps of template source and the compiled templates and checks the force compile configuration
*
* @return boolean true if the template must be compiled
*/
public function mustCompile ()
{
$this->isExisting(true);
if ($this->mustCompile === null) {
$this->mustCompile = ($this->resource_object->usesCompiler && ($this->smarty->force_compile || $this->resource_object->isEvaluated || $this->getCompiledTimestamp () === false ||
// ($this->smarty->compile_check && $this->getCompiledTimestamp () !== $this->getTemplateTimestamp ())));
($this->smarty->compile_check && $this->getCompiledTimestamp () < $this->getTemplateTimestamp ())));
}
return $this->mustCompile;
}
/**
* Returns the compiled template filepath
*
* @return string the template filepath
*/
public function getCompiledFilepath ()
{
return $this->compiled_filepath === null ?
($this->compiled_filepath = !$this->resource_object->isEvaluated ? $this->resource_object->getCompiledFilepath($this) : false) :
$this->compiled_filepath;
}
/**
* Returns the timpestamp of the compiled template
*
* @return integer the template timestamp
*/
public function getCompiledTimestamp ()
{
return $this->compiled_timestamp === null ?
($this->compiled_timestamp = (!$this->resource_object->isEvaluated && file_exists($this->getCompiledFilepath())) ? filemtime($this->getCompiledFilepath()) : false) :
$this->compiled_timestamp;
}
/**
* Returns the compiled template
*
* It checks if the template must be compiled or just read from the template resource
*
* @return string the compiled template
*/
public function getCompiledTemplate ()
{
if ($this->compiled_template === null) {
// see if template needs compiling.
if ($this->mustCompile()) {
$this->compileTemplateSource();
} else {
if ($this->compiled_template === null) {
$this->compiled_template = !$this->resource_object->isEvaluated && $this->resource_object->usesCompiler ? file_get_contents($this->getCompiledFilepath()) : false;
}
}
}
return $this->compiled_template;
}
/**
* Compiles the template
*
* If the template is not evaluated the compiled template is saved on disk
*/
public function compileTemplateSource ()
{
if (!$this->resource_object->isEvaluated) {
$this->properties['file_dependency'] = array();
$this->properties['file_dependency'][$this->templateUid] = array($this->getTemplateFilepath(), $this->getTemplateTimestamp(),$this->resource_type);
}
if ($this->smarty->debugging) {
Smarty_Internal_Debug::start_compile($this);
}
// compile template
if (!is_object($this->compiler_object)) {
// load compiler
$this->smarty->loadPlugin($this->resource_object->compiler_class);
$this->compiler_object = new $this->resource_object->compiler_class($this->resource_object->template_lexer_class, $this->resource_object->template_parser_class, $this->smarty);
}
// compile locking
if ($this->smarty->compile_locking && !$this->resource_object->isEvaluated) {
if ($saved_timestamp = $this->getCompiledTimestamp()) {
touch($this->getCompiledFilepath());
}
}
// call compiler
try {
$this->compiler_object->compileTemplate($this);
}
catch (Exception $e) {
// restore old timestamp in case of error
if ($this->smarty->compile_locking && !$this->resource_object->isEvaluated && $saved_timestamp) {
touch($this->getCompiledFilepath(), $saved_timestamp);
}
throw $e;
}
// compiling succeded
if (!$this->resource_object->isEvaluated && $this->write_compiled_code) {
// write compiled template
Smarty_Internal_Write_File::writeFile($this->getCompiledFilepath(), $this->compiled_template, $this->smarty);
}
if ($this->smarty->debugging) {
Smarty_Internal_Debug::end_compile($this);
}
}
/**
* Returns the filepath of the cached template output
*
* The filepath is determined by the actual cache resource
*
* @return string the cache filepath
*/
public function getCachedFilepath ()
{
return $this->cached_filepath === null ?
$this->cached_filepath = ($this->resource_object->isEvaluated || !($this->caching == Smarty::CACHING_LIFETIME_CURRENT || $this->caching == Smarty::CACHING_LIFETIME_SAVED)) ? false : $this->cache_resource_object->getCachedFilepath($this) :
$this->cached_filepath;
}
/**
* Returns the timpestamp of the cached template output
*
* The timestamp is determined by the actual cache resource
*
* @return integer the template timestamp
*/
public function getCachedTimestamp ()
{
return $this->cached_timestamp === null ?
$this->cached_timestamp = ($this->resource_object->isEvaluated || !($this->caching == Smarty::CACHING_LIFETIME_CURRENT || $this->caching == Smarty::CACHING_LIFETIME_SAVED)) ? false : $this->cache_resource_object->getCachedTimestamp($this) :
$this->cached_timestamp;
}
/**
* Returns the cached template output
*
* @return string |booelan the template content or false if the file does not exist
*/
public function getCachedContent ()
{
return $this->rendered_content === null ?
$this->rendered_content = ($this->resource_object->isEvaluated || !($this->caching == Smarty::CACHING_LIFETIME_CURRENT || $this->caching == Smarty::CACHING_LIFETIME_SAVED)) ? false : $this->cache_resource_object->getCachedContents($this) :
$this->rendered_content;
}
/**
* Writes the cached template output
*/
public function writeCachedContent ($content)
{
if ($this->resource_object->isEvaluated || !($this->caching == Smarty::CACHING_LIFETIME_CURRENT || $this->caching == Smarty::CACHING_LIFETIME_SAVED)) {
// don't write cache file
return false;
}
$this->properties['cache_lifetime'] = $this->cache_lifetime;
return $this->cache_resource_object->writeCachedContent($this, $this->createPropertyHeader(true) .$content);
}
/**
* Checks of a valid version redered HTML output is in the cache
*
* If the cache is valid the contents is stored in the template object
*
* @return boolean true if cache is valid
*/
public function isCached ($template = null, $cache_id = null, $compile_id = null, $parent = null)
{
if ($template === null) {
$no_render = true;
} elseif ($template === false) {
$no_render = false;
} else {
if ($parent === null) {
$parent = $this;
}
$this->smarty->isCached ($template, $cache_id, $compile_id, $parent);
}
if ($this->isCached === null) {
$this->isCached = false;
if (($this->caching == Smarty::CACHING_LIFETIME_CURRENT || $this->caching == Smarty::CACHING_LIFETIME_SAVED) && !$this->resource_object->isEvaluated) {
$cachedTimestamp = $this->getCachedTimestamp();
if ($cachedTimestamp === false || $this->smarty->force_compile || $this->smarty->force_cache) {
return $this->isCached;
}
if ($this->caching === Smarty::CACHING_LIFETIME_SAVED || ($this->caching == Smarty::CACHING_LIFETIME_CURRENT && (time() <= ($cachedTimestamp + $this->cache_lifetime) || $this->cache_lifetime < 0))) {
if ($this->smarty->debugging) {
Smarty_Internal_Debug::start_cache($this);
}
$this->rendered_content = $this->cache_resource_object->getCachedContents($this, $no_render);
if ($this->smarty->debugging) {
Smarty_Internal_Debug::end_cache($this);
}
if ($this->cacheFileChecked) {
$this->isCached = true;
return $this->isCached;
}
$this->cacheFileChecked = true;
if ($this->caching === Smarty::CACHING_LIFETIME_SAVED && $this->properties['cache_lifetime'] >= 0 && (time() > ($this->getCachedTimestamp() + $this->properties['cache_lifetime']))) {
$this->tpl_vars = array();
$this->rendered_content = null;
return $this->isCached;
}
if (!empty($this->properties['file_dependency']) && $this->smarty->compile_check) {
$resource_type = null;
$resource_name = null;
foreach ($this->properties['file_dependency'] as $_file_to_check) {
If ($_file_to_check[2] == 'file' || $_file_to_check[2] == 'extends' || $_file_to_check[2] == 'php') {
$mtime = filemtime($_file_to_check[0]);
} else {
$this->getResourceTypeName($_file_to_check[0], $resource_type, $resource_name);
$resource_handler = $this->loadTemplateResourceHandler($resource_type);
$mtime = $resource_handler->getTemplateTimestampTypeName($resource_type, $resource_name);
}
// If ($mtime > $this->getCachedTimestamp()) {
If ($mtime > $_file_to_check[1]) {
$this->tpl_vars = array();
$this->rendered_content = null;
return $this->isCached;
}
}
}
$this->isCached = true;
}
}
}
return $this->isCached;
}
/**
* Render the output using the compiled template or the PHP template source
*
* The rendering process is accomplished by just including the PHP files.
* The only exceptions are evaluated templates (string template). Their code has
* to be evaluated
*/
public function renderTemplate ()
{
if ($this->resource_object->usesCompiler) {
if ($this->mustCompile() && $this->compiled_template === null) {
$this->compileTemplateSource();
}
if ($this->smarty->debugging) {
Smarty_Internal_Debug::start_render($this);
}
$_smarty_tpl = $this;
ob_start();
if ($this->resource_object->isEvaluated) {
eval("?>" . $this->compiled_template);
} else {
include($this->getCompiledFilepath ());
// check file dependencies at compiled code
if ($this->smarty->compile_check) {
if (!empty($this->properties['file_dependency'])) {
$this->mustCompile = false;
$resource_type = null;
$resource_name = null;
foreach ($this->properties['file_dependency'] as $_file_to_check) {
If ($_file_to_check[2] == 'file' || $_file_to_check[2] == 'extends' || $_file_to_check[2] == 'php') {
$mtime = filemtime($_file_to_check[0]);
} else {
$this->getResourceTypeName($_file_to_check[0], $resource_type, $resource_name);
$resource_handler = $this->loadTemplateResourceHandler($resource_type);
$mtime = $resource_handler->getTemplateTimestampTypeName($resource_type, $resource_name);
}
// If ($mtime != $_file_to_check[1]) {
If ($mtime > $_file_to_check[1]) {
$this->mustCompile = true;
break;
}
}
if ($this->mustCompile) {
// recompile and render again
ob_get_clean();
$this->compileTemplateSource();
ob_start();
include($this->getCompiledFilepath ());
}
}
}
}
} else {
if (is_callable(array($this->resource_object, 'renderUncompiled'))) {
if ($this->smarty->debugging) {
Smarty_Internal_Debug::start_render($this);
}
ob_start();
$this->resource_object->renderUncompiled($this);
} else {
throw new SmartyException("Resource '$this->resource_type' must have 'renderUncompiled' methode");
}
}
$this->rendered_content = ob_get_clean();
if (!$this->resource_object->isEvaluated && empty($this->properties['file_dependency'][$this->templateUid])) {
$this->properties['file_dependency'][$this->templateUid] = array($this->getTemplateFilepath(), $this->getTemplateTimestamp(),$this->resource_type);
}
if ($this->parent instanceof Smarty_Internal_Template) {
$this->parent->properties['file_dependency'] = array_merge($this->parent->properties['file_dependency'], $this->properties['file_dependency']);
foreach($this->required_plugins as $code => $tmp1) {
foreach($tmp1 as $name => $tmp) {
foreach($tmp as $type => $data) {
$this->parent->required_plugins[$code][$name][$type] = $data;
}
}
}
}
if ($this->smarty->debugging) {
Smarty_Internal_Debug::end_render($this);
}
// write to cache when nessecary
if (!$this->resource_object->isEvaluated && ($this->caching == Smarty::CACHING_LIFETIME_SAVED || $this->caching == Smarty::CACHING_LIFETIME_CURRENT)) {
if ($this->smarty->debugging) {
Smarty_Internal_Debug::start_cache($this);
}
$this->properties['has_nocache_code'] = false;
// get text between non-cached items
$cache_split = preg_split("!/\*%%SmartyNocache:{$this->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$this->properties['nocache_hash']}%%\*/!s", $this->rendered_content);
// get non-cached items
preg_match_all("!/\*%%SmartyNocache:{$this->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$this->properties['nocache_hash']}%%\*/!s", $this->rendered_content, $cache_parts);
$output = '';
// loop over items, stitch back together
foreach($cache_split as $curr_idx => $curr_split) {
// escape PHP tags in template content
$output .= preg_replace('/(<%|%>|<\?php|<\?|\?>)/', '<?php echo \'$1\'; ?>', $curr_split);
if (isset($cache_parts[0][$curr_idx])) {
$this->properties['has_nocache_code'] = true;
// remove nocache tags from cache output
$output .= preg_replace("!/\*/?%%SmartyNocache:{$this->properties['nocache_hash']}%%\*/!", '', $cache_parts[0][$curr_idx]);
}
}
// rendering (must be done before writing cache file because of {function} nocache handling)
$_smarty_tpl = $this;
ob_start();
eval("?>" . $output);
$this->rendered_content = ob_get_clean();
// write cache file content
$this->writeCachedContent('<?php if (!$no_render) {?>'. $output. '<?php } ?>');
if ($this->smarty->debugging) {
Smarty_Internal_Debug::end_cache($this);
}
} else {
// var_dump('renderTemplate', $this->has_nocache_code, $this->template_resource, $this->properties['nocache_hash'], $this->parent->properties['nocache_hash'], $this->rendered_content);
if ($this->has_nocache_code && !empty($this->properties['nocache_hash']) && !empty($this->parent->properties['nocache_hash'])) {
// replace nocache_hash
$this->rendered_content = preg_replace("/{$this->properties['nocache_hash']}/", $this->parent->properties['nocache_hash'], $this->rendered_content);
$this->parent->has_nocache_code = $this->has_nocache_code;
}
}
}
/**
* Returns the rendered HTML output
*
* If the cache is valid the cached content is used, otherwise
* the output is rendered from the compiled template or PHP template source
*
* @return string rendered HTML output
*/
public function getRenderedTemplate ()
{
// disable caching for evaluated code
if ($this->resource_object->isEvaluated) {
$this->caching = false;
}
// checks if template exists
$this->isExisting(true);
// read from cache or render
if ($this->rendered_content === null) {
if ($this->isCached) {
if ($this->smarty->debugging) {
Smarty_Internal_Debug::start_cache($this);
}
$this->rendered_content = $this->cache_resource_object->getCachedContents($this, false);
if ($this->smarty->debugging) {
Smarty_Internal_Debug::end_cache($this);
}
}
if ($this->isCached === null) {
$this->isCached(false);
}
if (!$this->isCached) {
// render template (not loaded and not in cache)
$this->renderTemplate();
}
}
$this->updateParentVariables();
$this->isCached = null;
return $this->rendered_content;
}
/**
* Parse a template resource in its name and type
* Load required resource handler
*
* @param string $template_resource template resource specification
* @param string $resource_type return resource type
* @param string $resource_name return resource name
* @param object $resource_handler return resource handler object
*/
public function parseResourceName($template_resource, &$resource_type, &$resource_name, &$resource_handler)
{
if (empty($template_resource))
return false;
$this->getResourceTypeName($template_resource, $resource_type, $resource_name);
$resource_handler = $this->loadTemplateResourceHandler($resource_type);
// cache template object under a unique ID
// do not cache eval resources
if ($resource_type != 'eval') {
$this->smarty->template_objects[sha1($this->template_resource . $this->cache_id . $this->compile_id)] = $this;
}
return true;
}
/**
* get system filepath to template
*/
public function buildTemplateFilepath ($file = null)
{
if ($file == null) {
$file = $this->resource_name;
}
foreach((array)$this->smarty->template_dir as $_template_dir) {
if (strpos('/\\', substr($_template_dir, -1)) === false) {
$_template_dir .= DS;
}
$_filepath = $_template_dir . $file;
if (file_exists($_filepath))
return $_filepath;
}
if (file_exists($file)) return $file;
// no tpl file found
if (!empty($this->smarty->default_template_handler_func)) {
if (!is_callable($this->smarty->default_template_handler_func)) {
throw new SmartyException("Default template handler not callable");
} else {
$_return = call_user_func_array($this->smarty->default_template_handler_func,
array($this->resource_type, $this->resource_name, &$this->template_source, &$this->template_timestamp, $this));
if (is_string($_return)) {
return $_return;
} elseif ($_return === true) {
return $file;
}
}
}
return false;
}
/**
* Update Smarty variables in other scopes
*/
public function updateParentVariables ($scope = Smarty::SCOPE_LOCAL)
{
$has_root = false;
foreach ($this->tpl_vars as $_key => $_variable) {
$_variable_scope = $this->tpl_vars[$_key]->scope;
if ($scope == Smarty::SCOPE_LOCAL && $_variable_scope == Smarty::SCOPE_LOCAL) {
continue;
}
if (isset($this->parent) && ($scope == Smarty::SCOPE_PARENT || $_variable_scope == Smarty::SCOPE_PARENT)) {
if (isset($this->parent->tpl_vars[$_key])) {
// variable is already defined in parent, copy value
$this->parent->tpl_vars[$_key]->value = $this->tpl_vars[$_key]->value;
} else {
// create variable in parent
$this->parent->tpl_vars[$_key] = clone $_variable;
$this->parent->tpl_vars[$_key]->scope = Smarty::SCOPE_LOCAL;
}
}
if ($scope == Smarty::SCOPE_ROOT || $_variable_scope == Smarty::SCOPE_ROOT) {
if ($this->parent == null) {
continue;
}
if (!$has_root) {
// find root
$root_ptr = $this;
while ($root_ptr->parent != null) {
$root_ptr = $root_ptr->parent;
$has_root = true;
}
}
if (isset($root_ptr->tpl_vars[$_key])) {
// variable is already defined in root, copy value
$root_ptr->tpl_vars[$_key]->value = $this->tpl_vars[$_key]->value;
} else {
// create variable in root
$root_ptr->tpl_vars[$_key] = clone $_variable;
$root_ptr->tpl_vars[$_key]->scope = Smarty::SCOPE_LOCAL;
}
}
if ($scope == Smarty::SCOPE_GLOBAL || $_variable_scope == Smarty::SCOPE_GLOBAL) {
if (isset(Smarty::$global_tpl_vars[$_key])) {
// variable is already defined in root, copy value
Smarty::$global_tpl_vars[$_key]->value = $this->tpl_vars[$_key]->value;
} else {
// create global variable
Smarty::$global_tpl_vars[$_key] = clone $_variable;
}
Smarty::$global_tpl_vars[$_key]->scope = Smarty::SCOPE_LOCAL;
}
}
}
/**
* Split a template resource in its name and type
*
* @param string $template_resource template resource specification
* @param string $resource_type return resource type
* @param string $resource_name return resource name
*/
protected function getResourceTypeName ($template_resource, &$resource_type, &$resource_name)
{
if (strpos($template_resource, ':') === false) {
// no resource given, use default
$resource_type = $this->smarty->default_resource_type;
$resource_name = $template_resource;
} else {
// get type and name from path
list($resource_type, $resource_name) = explode(':', $template_resource, 2);
if (strlen($resource_type) == 1) {
// 1 char is not resource type, but part of filepath
$resource_type = 'file';
$resource_name = $template_resource;
}
}
}
/**
* Load template resource handler by type
*
* @param string $resource_type template resource type
* @return object resource handler object
*/
protected function loadTemplateResourceHandler ($resource_type)
{
// try registered resource
if (isset($this->smarty->registered_resources[$resource_type])) {
return new Smarty_Internal_Resource_Registered($this);
} else {
// try sysplugins dir
if (in_array($resource_type, array('file', 'string', 'extends', 'php', 'stream', 'eval'))) {
$_resource_class = 'Smarty_Internal_Resource_' . ucfirst($resource_type);
return new $_resource_class($this->smarty);
} else {
// try plugins dir
$_resource_class = 'Smarty_Resource_' . ucfirst($resource_type);
if ($this->smarty->loadPlugin($_resource_class)) {
if (class_exists($_resource_class, false)) {
return new $_resource_class($this->smarty);
} else {
return new Smarty_Internal_Resource_Registered($this, $resource_type);
}
} else {
// try streams
$_known_stream = stream_get_wrappers();
if (in_array($resource_type, $_known_stream)) {
// is known stream
if (is_object($this->smarty->security_policy)) {
$this->smarty->security_policy->isTrustedStream($resource_type);
}
return new Smarty_Internal_Resource_Stream($this->smarty);
} else {
throw new SmartyException('Unkown resource type \'' . $resource_type . '\'');
}
}
}
}
}
/**
* Create property header
*/
public function createPropertyHeader ($cache = false)
{
$plugins_string = '';
// include code for plugins
if (!$cache) {
if (!empty($this->required_plugins['compiled'])) {
$plugins_string = '<?php ';
foreach($this->required_plugins['compiled'] as $tmp) {
foreach($tmp as $data) {
$plugins_string .= "if (!is_callable('{$data['function']}')) include '{$data['file']}';\n";
}
}
$plugins_string .= '?>';
}
if (!empty($this->required_plugins['nocache'])) {
$this->has_nocache_code = true;
$plugins_string .= "<?php echo '/*%%SmartyNocache:{$this->properties['nocache_hash']}%%*/<?php ";
foreach($this->required_plugins['nocache'] as $tmp) {
foreach($tmp as $data) {
$plugins_string .= "if (!is_callable(\'{$data['function']}\')) include \'{$data['file']}\';\n";
}
}
$plugins_string .= "?>/*/%%SmartyNocache:{$this->properties['nocache_hash']}%%*/';?>\n";
}
}
// build property code
$this->properties['has_nocache_code'] = $this->has_nocache_code;
$properties_string = "<?php /*%%SmartyHeaderCode:{$this->properties['nocache_hash']}%%*/" ;
if ($this->smarty->direct_access_security) {
$properties_string .= "if(!defined('SMARTY_DIR')) exit('no direct access allowed');\n";
}
if ($cache) {
// remove compiled code of{function} definition
unset($this->properties['function']);
if (!empty($this->smarty->template_functions)) {
// copy code of {function} tags called in nocache mode
foreach ($this->smarty->template_functions as $name => $function_data) {
if (isset($function_data['called_nocache'])) {
unset($function_data['called_nocache'], $this->smarty->template_functions[$name]['called_nocache']);
$this->properties['function'][$name] = $function_data;
}
}
}
}
$properties_string .= "\$_smarty_tpl->decodeProperties(" . var_export($this->properties, true) . "); /*/%%SmartyHeaderCode%%*/?>\n";
return $properties_string . $plugins_string;
}
/**
* Decode saved properties from compiled template and cache files
*/
public function decodeProperties ($properties)
{
$this->has_nocache_code = $properties['has_nocache_code'];
$this->properties['nocache_hash'] = $properties['nocache_hash'];
if (isset($properties['cache_lifetime'])) {
$this->properties['cache_lifetime'] = $properties['cache_lifetime'];
}
if (isset($properties['file_dependency'])) {
$this->properties['file_dependency'] = array_merge($this->properties['file_dependency'], $properties['file_dependency']);
}
if (!empty($properties['function'])) {
$this->properties['function'] = array_merge($this->properties['function'], $properties['function']);
$this->smarty->template_functions = array_merge($this->smarty->template_functions, $properties['function']);
}
}
/**
* creates a loacal Smarty variable for array assignments
*/
public function createLocalArrayVariable($tpl_var, $nocache = false, $scope = Smarty::SCOPE_LOCAL)
{
if (!isset($this->tpl_vars[$tpl_var])) {
$tpl_var_inst = $this->getVariable($tpl_var, null, true, false);
if ($tpl_var_inst instanceof Undefined_Smarty_Variable) {
$this->tpl_vars[$tpl_var] = new Smarty_variable(array(), $nocache, $scope);
} else {
$this->tpl_vars[$tpl_var] = clone $tpl_var_inst;
if ($scope != Smarty::SCOPE_LOCAL) {
$this->tpl_vars[$tpl_var]->scope = $scope;
}
}
}
if (!(is_array($this->tpl_vars[$tpl_var]->value) || $this->tpl_vars[$tpl_var]->value instanceof ArrayAccess)) {
settype($this->tpl_vars[$tpl_var]->value, 'array');
}
}
/**
* [util function] counts an array, arrayaccess/traversable or PDOStatement object
* @param mixed $value
* @return int the count for arrays and objects that implement countable, 1 for other objects that don't, and 0 for empty elements
*/
public function _count($value)
{
if (is_array($value) === true || $value instanceof Countable) {
return count($value);
} elseif ($value instanceof ArrayAccess) {
if ($value->offsetExists(0)) {
return 1;
}
} elseif ($value instanceof Iterator) {
$value->rewind();
if ($value->valid()) {
return 1;
}
} elseif ($value instanceof PDOStatement) {
return $value->rowCount();
} elseif ($value instanceof Traversable) {
return iterator_count($value);
} elseif ($value instanceof ArrayAccess) {
if ($value->offsetExists(0)) {
return 1;
}
} elseif (is_object($value)) {
return count($value);
}
return 0;
}
/**
* wrapper for fetch
*/
public function fetch ($template = null, $cache_id = null, $compile_id = null, $parent = null, $display = false)
{
if ($template == null) {
return $this->smarty->fetch($this);
} else {
if (!isset($parent)) {
$parent = $this;
}
return $this->smarty->fetch($template, $cache_id, $compile_id, $parent, $display);
}
}
/**
* wrapper for display
*/
public function display ($template = null, $cache_id = null, $compile_id = null, $parent = null)
{
if ($template == null) {
return $this->smarty->display($this);
} else {
if (!isset($parent)) {
$parent = $this;
}
return $this->smarty->display($template, $cache_id, $compile_id, $parent);
}
}
/**
* set Smarty property in template context
* @param string $property_name property name
* @param mixed $value value
*/
public function __set($property_name, $value)
{
if ($property_name == 'resource_object' || $property_name == 'cache_resource_object') {
$this->$property_name = $value;
} elseif (property_exists($this->smarty, $property_name)) {
$this->smarty->$property_name = $value;
} else {
throw new SmartyException("invalid template property '$property_name'.");
}
}
/**
* get Smarty property in template context
* @param string $property_name property name
*/
public function __get($property_name)
{
if ($property_name == 'resource_object') {
// load template resource
$this->resource_object = null;
if (!$this->parseResourceName ($this->template_resource, $this->resource_type, $this->resource_name, $this->resource_object)) {
throw new SmartyException ("Unable to parse resource name \"{$template_resource}\"");
}
return $this->resource_object;
}
if ($property_name == 'cache_resource_object') {
// load cache resource
$this->cache_resource_object = $this->loadCacheResource();
return $this->cache_resource_object;
}
if (property_exists($this->smarty, $property_name)) {
return $this->smarty->$property_name;
} else {
throw new SmartyException("template property '$property_name' does not exist.");
}
}
/**
* Takes unknown class methods and lazy loads sysplugin files for them
* class name format: Smarty_Method_MethodName
* plugin filename format: method.methodname.php
*
* @param string $name unknown methode name
* @param array $args aurgument array
*/
public function __call($name, $args)
{
static $camel_func;
if (!isset($camel_func))
$camel_func = create_function('$c', 'return "_" . strtolower($c[1]);');
// see if this is a set/get for a property
$first3 = strtolower(substr($name, 0, 3));
if (in_array($first3, array('set', 'get')) && substr($name, 3, 1) !== '_') {
// try to keep case correct for future PHP 6.0 case-sensitive class methods
// lcfirst() not available < PHP 5.3.0, so improvise
$property_name = strtolower(substr($name, 3, 1)) . substr($name, 4);
// convert camel case to underscored name
$property_name = preg_replace_callback('/([A-Z])/', $camel_func, $property_name);
if (property_exists($this, $property_name)) {
if ($first3 == 'get')
return $this->$property_name;
else
return $this->$property_name = $args[0];
}
}
// pass call to Smarty object
return call_user_func_array(array($this->smarty,$name),$args);
}
}
?>